"Ranked XXX" examines one of the cornerstones of the porn industry: the production of a pornographic film. On a film set, Mélanie Maynard we discover the technical and human challenges of these productions in unconventional content, but with methodical and professional approach: pre-production, rehearsals, playing techniques, etc. A professional actor reveals how to stay "ready for action" even if a scene takes hours to be rotated. Then, in the editing room, we learn why a semi-erection may indicate the success of a film to the public.